The answer is h > 4.
Explanation: 68- 18=50
18/4=4.5. It is asking for below 50, and it had to cool for over 4 hours, which is >. I hope this helps. Please give me Brainliest.
I believe your answer would be C. Hope this helped!
Answer:
pretty sure its the first and 3rd one sorry if im wrong
Step-by-step explanation:



add 15 to both sides:


subtract 6x from both sides:


Both sides are equal : true for all x
Answer D
hope this helps!